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videodecoder: add getter for QoS proportion and earliest_time

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Add a getter for the QoS proportion and earliest_time to help
subclasses do better estimations based on the proportion.

API: gst_video_decoder_get_qos_info()

https://bugzilla.gnome.org/show_bug.cgi?id=687991
This commit is contained in:
Andoni Morales Alastruey 2012-11-09 15:37:57 +01:00 committed by Tim-Philipp Müller
parent 41d36b2584
commit 5f55ea1ef3
4 changed files with 34 additions and 0 deletions
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1
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -2253,6 +2253,7 @@ gst_video_decoder_get_max_decode_time
gst_video_decoder_get_max_errors gst_video_decoder_get_max_errors
gst_video_decoder_get_oldest_frame gst_video_decoder_get_oldest_frame
gst_video_decoder_get_packetized gst_video_decoder_get_packetized
gst_video_decoder_get_qos_info
gst_video_decoder_have_frame gst_video_decoder_have_frame
gst_video_decoder_get_latency gst_video_decoder_get_latency
gst_video_decoder_set_latency gst_video_decoder_set_latency

28
gst-libs/gst/video/gstvideodecoder.c
View file

@ -3158,6 +3158,34 @@ gst_video_decoder_get_max_decode_time (GstVideoDecoder *
return deadline; return deadline;
} }
/**
* gst_video_decoder_get_qos_info:
* @decoder: a #GstVideoDecoder
* @proportion: (out) (allow-none): address of variable in which to store the
* current QoS proportion, or %NULL
* @earliest_time: (out) (allow-none): address of variable in which to store the
* QoS earliest_time, or %NULL
*
* Returns: TRUE on success
*
* Since: 1.0.3
*/
gboolean
gst_video_decoder_get_qos_info (GstVideoDecoder * decoder, gdouble * proportion,
GstClockTime * earliest_time)
{
g_return_val_if_fail (GST_IS_VIDEO_DECODER (decoder), FALSE);
GST_OBJECT_LOCK (decoder);
if (proportion != NULL)
*proportion = decoder->priv->proportion;
if (earliest_time != NULL)
*earliest_time = decoder->priv->earliest_time;
GST_OBJECT_UNLOCK (decoder);
return TRUE;
}
GstFlowReturn GstFlowReturn
_gst_video_decoder_error (GstVideoDecoder * dec, gint weight, _gst_video_decoder_error (GstVideoDecoder * dec, gint weight,
GQuark domain, gint code, gchar * txt, gchar * dbg, const gchar * file, GQuark domain, gint code, gchar * txt, gchar * dbg, const gchar * file,

4
gst-libs/gst/video/gstvideodecoder.h
View file

@ -353,6 +353,10 @@ gboolean gst_video_decoder_negotiate (GstVideoDecoder * decode
GstClockTimeDiff gst_video_decoder_get_max_decode_time (GstVideoDecoder *decoder, GstClockTimeDiff gst_video_decoder_get_max_decode_time (GstVideoDecoder *decoder,
GstVideoCodecFrame *frame); GstVideoCodecFrame *frame);
gboolean gst_video_decoder_get_qos_info (GstVideoDecoder * decoder,
gdouble *proportion,
GstClockTime *earliest_time);
GstFlowReturn gst_video_decoder_finish_frame (GstVideoDecoder *decoder, GstFlowReturn gst_video_decoder_finish_frame (GstVideoDecoder *decoder,
GstVideoCodecFrame *frame); GstVideoCodecFrame *frame);

1
win32/common/libgstvideo.def
View file

@ -88,6 +88,7 @@ EXPORTS
gst_video_decoder_get_oldest_frame gst_video_decoder_get_oldest_frame
gst_video_decoder_get_output_state gst_video_decoder_get_output_state
gst_video_decoder_get_packetized gst_video_decoder_get_packetized
gst_video_decoder_get_qos_info
gst_video_decoder_get_type gst_video_decoder_get_type
gst_video_decoder_have_frame gst_video_decoder_have_frame
gst_video_decoder_merge_tags gst_video_decoder_merge_tags